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Journal articles on the topic 'Mechanical and microstructural properties'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Anisimov, Evgeniy, Jan Manak, Maxim Puchnin, and Pavel Sachr. "The Effect of Microstructural Features on Mechanical Properties." Key Engineering Materials 606 (March 2014): 47–50. http://dx.doi.org/10.4028/www.scientific.net/kem.606.47.

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Every material is structured in its unique way and has its own recognizable microstructure. There are a number of approaches in establishing the relationship between mechanical properties and microstructure of a material, but none of them is universal and correlation free, probably because of luck of attention to the sub-grain structure. The possibility of calculating the hardness number using only geometric sizes of microstructural formations is discussed in this paper, where the grain is meant to be a container of the two most frequently occurred shapes in the microstructures globula and lam

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Sarat, Chandra Mohanty1. "Effect Of Melt Temperature on Microstructural and Strength Properties of In-Situ Aluminium Metal Matrix Composites Containing Sicno Particles." Scandinavian Journal of Information Systems 35, no. 1 (2023): 783–88. https://doi.org/10.5281/zenodo.7807916.

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In SiCON aluminum metal matrix composites containing SiCON particles have been attracted to a significant desirable property of mechanical such as high strength, wear resistance and stability. The melt temperature is having a critical parameter while manufacturing process of these composites and this affects the size and the reinforcement particles in the aluminum matrix which influnces the microstructural and propertie sof mechanical properties of the composite material. In this we have review the therotical basis of the effect of melt temperature on the microstructural and properties of mech

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Agboola, Joseph, Emmanuel Anyoku, and Atinuke Oladoye. "Effects of Cooling Rate on the Microstructure, Mechanical Properties and Corrosion Resistance of 6xxx Aluminium Alloy." International Journal of Engineering Materials and Manufacture 6, no. 1 (2021): 43–49. http://dx.doi.org/10.26776/ijemm.06.01.2021.04.

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The applicability of materials is highly dependent on its microstructure and mechanical properties. Aluminium alloy is being used extensively under diverse conditions. This study investigates the effects of cooling rate on the microstructure, mechanical properties and corrosion resistance of 6xxx-series aluminium alloy. Aluminium ingot was melted in a muffle furnace and cast into rods. The cooling rate was controlled by holding the moulds at different temperatures. Microstructural characteristics were examined by optical microscopy. Mechanical properties such as impact strength, hardness, and

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Rodgers, Theron M., Hojun Lim, and Judith A. Brown. "Three-Dimensional Additively Manufactured Microstructures and Their Mechanical Properties." JOM 72, no. 1 (2019): 75–82. http://dx.doi.org/10.1007/s11837-019-03808-x.

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Abstract Metal additive manufacturing (AM) allows for the freeform creation of complex parts. However, AM microstructures are highly sensitive to the process parameters used. Resulting microstructures vary significantly from typical metal alloys in grain morphology distributions, defect populations and crystallographic texture. AM microstructures are often anisotropic and possess three-dimensional features. These microstructural features determine the mechanical properties of AM parts. Here, we reproduce three “canonical” AM microstructures from the literature and investigate their mechanical

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Ding, Qingqing, Hongbin Bei, Xinbao Zhao, Yanfei Gao, and Ze Zhang. "Processing, Microstructures and Mechanical Properties of a Ni-Based Single Crystal Superalloy." Crystals 10, no. 7 (2020): 572. http://dx.doi.org/10.3390/cryst10070572.

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A second-generation Ni-based superalloy has been directionally solidified by using a Bridgman method, and the key processing steps have been investigated with a focus on their effects on microstructure evolution and mechanical properties. The as-grown microstructure is of a typical dendrite structure with microscopic elemental segregation during solidification. Based on the microstructural evidence and the measured phase transformation temperatures, a step-wise solution treatment procedure is designed to effectively eliminate the compositional and microstructural inhomogeneities. Consequently,

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6

Bu, Le Ping, Shunsuke Tanaka, Masayuki Tsushida, Shinji Ando, and Hideki Tonda. "Microstructure and Mechanical Properties of New Particle-Disperse-Reinforced Mg Composite Mg- 6Al- 3B₂O₃- 1NaCl- 1CaCl₂." Materials Science Forum 546-549 (May 2007): 503–7. http://dx.doi.org/10.4028/www.scientific.net/msf.546-549.503.

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In the present study, the conventional process of Compo-casting was carried and the microstructural and mechanical propertied were then investigated. The matrix alloy used was Mg- 6Al, and B2O3 was added into Mg-Al alloys was investigated at two levels of 3 and 6wt%. The other experimental materials were NaCl and CaCl2. The microstructures were of the samples analyzed with Optical Microscopy, SEM and XRD, and the mechanical properties were determined by micro-hardness and tensile test. The results showed that the mechanical properties of Mg- 6Al- 3B2O3- 1NaCl- 1CaCl2 increased and the microstr

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Costin, Walter, Olivier Lavigne, Andrei G. Kotousov, et al. "Susceptibility of Acicular Ferrite and Upper Bainite Microstructures to Hydrogen Assisted Cold Cracking Propagation." Materials Science Forum 909 (November 2017): 44–49. http://dx.doi.org/10.4028/www.scientific.net/msf.909.44.

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Acicular ferrite (AF) and upper bainite (UB) are microstructural constituents commonly found in ferritic weld metals. Both microstructures are formed within a similar temperature range and by the same type of transformation mechanisms. They have however, substantially different morphologies and microstructural features that govern both their mechanical properties and hydrogen embrittlement susceptibility. This work shows that despite substantial microstructural differences, the mechanical properties of both microstructural constituents were quite similar. However, the microstructural differenc

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Santos, Dagoberto Brandão, Élida G. Neves, and Elena V. Pereloma. "Effect of Processing Route on Mechanical Behavior of C-Mn Multiphase High Strength Cold Rolled Steel." Materials Science Forum 539-543 (March 2007): 4375–80. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.4375.

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The multiphase steels have complex microstructures containing polygonal ferrite, martensite, bainite, carbide and a small amount of retained austenite. This microstructure provides these steels with a high mechanical strength and good ductility. Different thermal cycles were simulated in the laboratory in order to create the microstructures with improved mechanical properties. The samples were heated to various annealing temperatures (740, 760 or 780°C), held for 300 s, and then quickly cooled to 600 or 500°C, where they were soaked for another 300 s and then submitted to the accelerated cooli

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9

Ren, Jianping, Jiangfeng Chen, Songjun Chen, and Zhiwei Zou. "Microstructure heredity and phase transition behaviour of DP780 high-strength steel plate." Journal of Physics: Conference Series 2954, no. 1 (2025): 012117. https://doi.org/10.1088/1742-6596/2954/1/012117.

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Abstract Duplex steel is highly regarded as a lightweight material for automotive structures due to its superior mechanical properties. In this study, the microstructural heritability and phase transformation behavior of DP780 high-strength steel plates were examined. The results demonstrated that the microstructures of hot-rolled plates were consistent across different orientations within the same section, while notable differences were observed between the edge and core regions. After cold rolling, the microstructure became elongated in the rolling direction, accompanied by a noticeable grai

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Ferreira-Palma, Carlos, Héctor J. Dorantes-Rosales, Víctor M. López-Hirata, and Alberto A. Torres-Castillo. "Effect of Ag additions on the microstructure and phase transformations of Zn-22Al-2Cu (wt.%) alloy." International Journal of Materials Research 112, no. 2 (2021): 108–17. http://dx.doi.org/10.1515/ijmr-2020-8009.

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Abstract The relationship between microstructure and mechanical properties is studied for eutectoid Zn-22Al (wt.%) alloys modified with Cu and Ag. Three alloys with a Cu content of 2 wt.% and varying amounts of Ag were cast and hot-extruded. Different microstructural characteristics were induced by heat treatments: natural aging, artificial aging and furnace cooling. Structural and microstructural characterizations were carried out with X-ray diffraction and scanning electron microscopy. Mechanical properties were determined by tensile testing. Dilatometry was used for determining the effects

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11

Haddour, Lillia, Mourad Keddam, and Nadir Mesrati. "Relationships between Microstructure and Mechanical Properties of Polycristalline Alumina." Applied Mechanics and Materials 625 (September 2014): 192–95. http://dx.doi.org/10.4028/www.scientific.net/amm.625.192.

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Some low purity alumina ceramics with an alumina content ranging from 86% to 93% were investigated, in order to explore the effects of microstructural parameters (grain size, intergranular phase) on mechanical (wear) and dielectrical parameters. The microstructure and worn surfaces were analysed using scaning electron microscopy. The correlation between microstructural, dielectrical properties and wear is discussed. It has been proposed that mechanical and electrical properties are two aspects of the same fundamental mechanism. Key words: Al2O3, Microstructure final, Wear resistance, Breakdown

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12

Sato, Yutaka S., and Hiroyuki Kokawa. "Microstructural Factors Governing Mechanical Properties in Friction Stir Welds." Key Engineering Materials 345-346 (August 2007): 1493–96. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.1493.

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Friction stir welding (FSW) is a solid-state joining process. During FSW, microstructure drastically changes in local region of the workpiece by introduction of frictional heat and severe plastic deformation arising from rotation of the welding tool, which results in inhomogeneous microstructural distribution in the welds. To maintain high reliability of the structure produced by FSW, precise understanding of microstructural factors governing weld properties is required. In the present paper, microstructural factors governing mechanical properties, especially hardness profile and tensile prope

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13

Meng, Yi, Hui Min Zhou, Jia Lin Gan, and Sumio Sugiyama. "Microstructural Evolution of SKD11 Tool Steel during Multi-Stage Thixoforming and Subsequent Heat Treatments." Solid State Phenomena 285 (January 2019): 45–50. http://dx.doi.org/10.4028/www.scientific.net/ssp.285.45.

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The application of semisolid forming (SSF) is inhibited significantly by the inhomogeneous distributions of microstructure and mechanical properties in the products manufactured by SSF. Beside of forming parameters including forming temperature, isothermal holding time, and forming speed, post heat treatments of SSF is one of the most important facts affecting the microstructure and mechanical properties of the SSF-manufactured products. In this study, heat treatments including annealing, quenching, and tempering different experimental conditions were conducted on the SKD11 tool steel samples

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14

Zhong, Ning, Songpu Yang, Tao Liu, et al. "Effects of Compositional Inhomogeneity on the Microstructures and Mechanical Properties of a Low Carbon Steel Processed by Quenching-Partitioning-Tempering Treatment." Crystals 13, no. 1 (2022): 23. http://dx.doi.org/10.3390/cryst13010023.

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Quenching-partitioning-tempering (Q-P-T) heat treatment is a relatively novel approach to attain excellent ductility in high-strength steels. In the present work, the microstructural evolution and the mechanical properties of a low carbon microalloyed advanced steel were systematically investigated after the Q-P-T process. The microstructural evolution was explored by employing X-ray diffraction, transmission electron microscopy and scanning electron microscopy. The results indicate that the multiphase microstructures strongly depend on both the initial microstructure and the processing parame

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15

Abhishek, Kumar, Pusuluri Harish Babu, Deepika Arora, Meenakshi, Hazim Y. Saeed, and Sorabh Lakhanpal. "Exploring the Microstructural and Mechanical Properties of Next-Generation Super Alloys." E3S Web of Conferences 430 (2023): 01136. http://dx.doi.org/10.1051/e3sconf/202343001136.

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The utilisation of next-generation superalloys is of utmost significance in the progression of contemporary engineering applications that necessitate extraordinary mechanical strength, stability at elevated temperatures, and resistance to corrosion. The present work aims to conduct a thorough investigation of the microstructural and mechanical properties of these advanced materials, providing insights into their distinct features and possible areas of application. The examination of microstructure involves the utilisation of several methodologies, including scanning electron microscopy (SEM),

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16

Miranda-Hernández, José G., Enrique Rocha-Rangel, and Sebastián Díaz de la Torre. "Synthesis, microstructural analysis and mechanical properties of alumina-matrix cermets." Epitoanyag - Journal of Silicate Based and Composite Materials 62, no. 1 (2010): 2–5. http://dx.doi.org/10.14382/epitoanyag-jsbcm.2010.1.

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17

Dolzhenko, Anastasiia, Marina Tikhonova, Rustam Kaibyshev, and Andrey Belyakov. "Microstructures and Mechanical Properties of Steels and Alloys Subjected to Large-Strain Cold-to-Warm Deformation." Metals 12, no. 3 (2022): 454. http://dx.doi.org/10.3390/met12030454.

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The effect of large-strain cold-to-warm deformation on the microstructures and mechanical properties of various steels and alloys is critically reviewed. The review is mainly focused on the microstructure evolution, whereas the deformation textures are cursorily considered without detailed examination. The deformation microstructures are considered in a wide strain range, from early straining to severe deformations. Such an approach offers a clearer view of how the deformation mechanisms affect the structural changes leading to the final microstructures evolved in large strains. The general re

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18

Kumar, Swarup, Asif Uzzaman, Md Ibrahim Adam, and Sree Biddut Kumar. "A Comprehensive Review of Prospects and Challenges of Microstructure and Functional Properties of Materials." European Journal of Theoretical and Applied Sciences 3, no. 2 (2025): 356–70. https://doi.org/10.59324/ejtas.2025.3(2).31.

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This thorough analysis examines the opportunities and difficulties related to improving the microstructure and functional characteristics of materials. Phases, grain boundaries, dislocations, and other flaws are examples of the microstructure, which is an essential component in defining the functional properties of a material, such as its electrical conductivity, mechanical strength, thermal stability, and resistance to corrosion. The production of materials with improved performance for a range of applications has been made possible by improvements in materials processing methods, such as sev

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19

Swarup, Kumar, Uzzaman Asif, Ibrahim Adam Md, and Biddut Kumar Sree. "A Comprehensive Review of Prospects and Challenges of Microstructure and Functional Properties of Materials." European Journal of Theoretical and Applied Sciences 3, no. 2 (2025): 356–70. https://doi.org/10.59324/ejtas.2025.3(2).31.

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This thorough analysis examines the opportunities and difficulties related to improving the microstructure and functional characteristics of materials. Phases, grain boundaries, dislocations, and other flaws are examples of the microstructure, which is an essential component in defining the functional properties of a material, such as its electrical conductivity, mechanical strength, thermal stability, and resistance to corrosion. The production of materials with improved performance for a range of applications has been made possible by improvements in materials processing methods, such as sev

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20

Trzciński, Jerzy, and Emilia Wójcik. "Application of microstructure classification for the assessment of the variability of geological-engineering and pore space properties in clay soils." Open Geosciences 11, no. 1 (2019): 236–48. http://dx.doi.org/10.1515/geo-2019-0019.

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Abstract The performed investigations were focused on analysing the variability of geological-engineering properties in clay soils from central-eastern Europe with regard to microstructures. Thirty-nine soils differing in origin, lithology and microstructure type were selected for analysis. Results of studies on lithological and physical and mechanical parameters were analysed, coupled with quantitative microstructural parameters based on microstructure images. The relationships between lithological, physical and mechanical and pore space parameters were determined with regard to microstructur

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21

Kulosa, Matthias, Matthias Neumann, Martin Boeff, Gerd Gaiselmann, Volker Schmidt, and Alexander Hartmaier. "A Study on Microstructural Parameters for the Characterization of Granular Porous Ceramics Using a Combination of Stochastic and Mechanical Modeling." International Journal of Applied Mechanics 09, no. 05 (2017): 1750069. http://dx.doi.org/10.1142/s1758825117500697.

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To correlate the mechanical properties of granular porous materials with their microstructure, typically porosity is being considered as the dominant parameter. In this work, we suggest the average coordination number, i.e., the average number of connections that each grain of the porous material has to its neighboring grains, as additional — and possibly even more fundamental — microstructural parameter. In this work, a combination of stochastic and mechanical modeling is applied to study microstructural influences on the elastic properties of porous ceramics. This is accomplished by generati

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22

Sommer, K., A. Pfennig, F. Sammler, and R. Heiler. "Microstructural characteristics and mechanical properties of WAAM components." Practical Metallography 62, no. 2 (2025): 84–96. https://doi.org/10.1515/pm-2025-0004.

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Abstract Wire arc additive manufacturing (WAAM) is a process enabling the deposition of components with complex geometries while using high deposition rates. The WAAM process is associated with specific thermal process conditions resulting in inhomogeneities in the microstructure and thus, anisotropic properties within a component. Using a WAAM component made of high-alloy steel 1.4370 as an example, correlations between the microstructural gradients and the mechanical properties will be studied based on hardness measurements. To this end, the phases and characteristic features present in the

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23

Borsato, Thomas, Paolo Ferro, Filippo Berto, and Carlo Carollo. "Effect of Solidification Time on Microstructural, Mechanical and Fatigue Properties of Solution Strengthened Ferritic Ductile Iron." Metals 9, no. 1 (2018): 24. http://dx.doi.org/10.3390/met9010024.

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Microstructural, mechanical, and fatigue properties of solution strengthened ferritic ductile iron have been evaluated as functions of different solidification times. Three types of cast samples with increasing thickness have been produced in a green sand automatic molding line. Microstructural analyses have been performed in order to evaluate the graphite nodules parameter and matrix structure. Tensile and fatigue tests have been carried out using specimens taken from specific zones, with increasing solidification time, inside each cast sample. Finally, the fatigue fracture surfaces have been

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24

Hajy Akbary, Farideh, Maria Jesus Santofimia, and Jilt Sietsma. "Optimizing Mechanical Properties of a 0.3C-1.5Si-3.5MnQuenched and Partitioned Steel." Advanced Materials Research 829 (November 2013): 100–104. http://dx.doi.org/10.4028/www.scientific.net/amr.829.100.

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The Quenching and Partitioning (Q&P) process is known as a promising method for producing steels with superior mechanical properties. Developing Q&P steels with optimized mechanical properties requires well understanding of the relation between their microstructural and mechanical properties. The microstructural evolution during different Q&P processes in a 0.3C-1.5Si-3.5Mn (wt.%) steel was analysed. Mechanical properties of the developed microstructures were measured by using microtensile test. The influence of volume fractions and carbon contents of the phases on the ductility an

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25

Xi, Shangbin, and Yu Su. "Phase Field Study of the Microstructural Dynamic Evolution and Mechanical Response of NiTi Shape Memory Alloy under Mechanical Loading." Materials 14, no. 1 (2021): 183. http://dx.doi.org/10.3390/ma14010183.

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For the purpose of investigating the microstructural evolution and the mechanical response under applied loads, a new phase field model based on the Ginzburg-Landau theory is developed by designing a free energy function with six potential wells that represent six martensite variants. Two-dimensional phase field simulations show that, in the process of a shape memory effect induced by temperature-stress, the reduction-disappearance of cubic austenite phase and nucleation-growth of monoclinic martensite multi-variants result in a poly-twined martensitic microstructure. The microstructure of mar

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26

P, John Raj Kumar, and Baskaran A. "Impact of CC and PCTIG Welding on SMO 254 Joints Using Alloy 625 Filler." Indian Journal of Science and Technology 17, no. 34 (2024): 3553–66. https://doi.org/10.17485/IJST/v17i34.2163.

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Abstract <strong>Objectives:</strong> This investigation analyzes the microstructure, mechanical and corrosion characteristics of SMO 254 joints welded using constant current TIG (CCTIG) and pulse current TIG (PCTIG) with alloy 625 (ERNiCrMo-3) filler metal. <strong>Method:</strong> Optical microscopy and SEM with EDAX were employed for microstructural characterization and phase analysis. Mechanical properties were assessed through Vickers microhardness, tensile, and Charpy impact tests, followed by fracture analysis. <strong>Findings:</strong> EDAX point analysis indi

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Cao, Dang Long, Van Cuong Nguyen, and Van Nga Tran Thi. "Microstructural and mechanical properties of 17-4PH stainless steel fabricated via material extrusion 3D printing." Teknomekanik 8, no. 1 (2025): 67–78. https://doi.org/10.24036/teknomekanik.v8i1.34872.

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This study investigates the microstructural and mechanical properties of metal 3D printing products fabricated using material extrusion technology. It focuses on the critical post-processing stages: printing, washing, and sintering. A Markforged 3D printing system and 17-4 PH stainless steel material were utilized to assess the effect of printing orientation and sintering conditions on microstructural and mechanical properties of the final product. The results demonstrate that printing orientation and sintering conditions critically govern the microstructural and mechanical properties of the f

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Ghahremani-Moghadam, Danial, and Seyedmeysam Khaleghian. "Microstructure and Mechanical Properties of Friction Stir Welded and Processed Joints with the Addition of Nanoparticles: A Review." Current Biochemical Engineering 6, no. 2 (2020): 82–90. http://dx.doi.org/10.2174/2212711906666200401090508.

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Background: Friction Stir Welding (FSW) is an efficient process for solid-state joining of two different material without melting by using a non-consumable tool. FSW process was developed for the modification of metallic material microstructure. FSW requires a precise investigation of the process, microstructure, and the welds mechanical properties in order to be used in the fabrication of high- quality engineering components. Through the efforts of improving the weld's mechanical and microstructural properties and conveying the current knowledge of the friction stir to other applications, mul

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Morri, A., L. Ceschini, M. Pellizzari, C. Menapace, F. Vettore, and E. Veneri. "Effect of the Austempering Process on the Microstructure and Mechanical Properties of 27MnCrB5-2 Steel." Archives of Metallurgy and Materials 62, no. 2 (2017): 643–51. http://dx.doi.org/10.1515/amm-2017-0094.

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AbstractThe effect of austempering parameters on the microstructure and mechanical properties of 27MnCrB5-2 steel has been investigated by means of: dilatometric, microstructural and fractographic analyses; tensile and Charpy V-notch (CVN) impact tests at room temperature and a low temperature.Microstructural analyses showed that upper bainite developed at a higher austempering temperature, while a mixed bainitic-martensitic microstructure formed at lower temperatures, with a different amount of bainite and martensite and a different size of bainite sheaf depending on the temperature. Tensile

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30

Kim, Kyoung-Hwan, Bongjun Kim, Joonoh Moon, Jungwon Lee, and Yonghyun Kim. "Investigation on the Microstructure Evolution and Mechanical Properties of High Carbon Steel Friction Welded Joint." Journal of Welding and Joining 41, no. 6 (2023): 566–72. http://dx.doi.org/10.5781/jwj.2023.41.6.16.

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In this study, we aim to investigate the microstructure evolution and mechanical properties in friction welded joints of high carbon S45C steel. Thus far, S45C steel was welded with structural steel containing 0.3 wt.%C using friction welding. The microstructures in a friction welded joint were characterized by optical microscopy, scanning electron microscopy, and electron back-scattered diffraction analyses, and then compared to the microstructures of CO<sub>2</sub> arc welded S45C welds. The mechanical properties of joints welded using friction and CO<sub>2</sub> arc

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Yu, Seng Ho, Dong Hyuk Shin, and Sun Keun Hwang. "Texture and Mechanical Properties of ECA-Pressed Ti." Key Engineering Materials 345-346 (August 2007): 61–64. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.61.

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To study the effect of grain size on texture and tensile properties of equal channel angular pressed commercially pure Ti, specimens were made to have the grain size ranging from 4 m to 60 m with the severe plastic deformation followed by recrystallization annealing. In this initial condition all the specimens exhibited a strong bimodal split basal texture. During subsequent repressing at 350°C, the texture pattern became randomized through crystal rotations, the phenomenon being more pronounced in coarse-grained specimens. The microstructure of deformed specimens, as examined by electron back

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Anang, Andrew Nii, Bolape Alade, and Ridwan Olabiyi. "Additive Manufacturing of Metal Alloys: Exploring Microstructural Evolution and Mechanical Properties." International Journal of Research Publication and Reviews 5, no. 10 (2024): 2373–88. http://dx.doi.org/10.55248/gengpi.5.1024.2827.

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Shim, Yeong Rae, Jong Kun Kim, Deok Hyun Jo, et al. "Microstructure and Mechanical Properties of Wire Laser Additive Manufactured Deposits and Their Tungsten Inert Gas Welds." Materials 18, no. 6 (2025): 1308. https://doi.org/10.3390/ma18061308.

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Ti-6Al-4V (Ti64) alloy is widely utilized in the aerospace industry due to its high strength, fatigue resistance, corrosion resistance, and cryogenic properties. However, its high raw material costs and machining difficulties necessitate the development of efficient manufacturing processes. This study evaluates the mechanical reliability and microstructure of Ti64 components fabricated using wire laser additive manufacturing (WLAM) and subsequently joined via tungsten inert gas (TIG) welding. The WLAM process produces refined microstructures with superior mechanical properties by minimizing de

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Sroka, Marek, and Grzegorz Golański. "Microstructural and Mechanical Characterization of Alloys." Crystals 10, no. 10 (2020): 945. http://dx.doi.org/10.3390/cryst10100945.

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This Special Issue on “Microstructural and Mechanical Characterization of Alloys” features eight papers that cover the recent developments in alloys (engineering materials), methods of improvement of strength and cyclic properties of alloys, the stability of microstructure, the possible application of new (or improved) alloys, and the use of treatment for alloy improvement.

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Herbster, Maria, Karsten Harnisch, Paulina Kriegel, et al. "Microstructural Modification of TiAl6V4 Alloy to Avoid Detrimental Effects Due to Selective In Vivo Crevice Corrosion." Materials 15, no. 16 (2022): 5733. http://dx.doi.org/10.3390/ma15165733.

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TiAl6V4 wrought alloy is a standard material used for endoprostheses due to its ideal characteristics in terms of osseointegration. However, the insufficient wear and crevice corrosion resistance of TiAl6V4 are limiting factors that can cause clinical problems. Therefore, the objective of this study was to analyze and identify suitable phases and microstructural states of TiAl6V4 alloy with advantageous implant properties by thermal treatments. By varying the temperature and cooling rate, four heat treatment strategies were derived that produced different microstructural states that differed i

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Yan, Lamei, Jianghong Yu, Yuxing Zhong та ін. "Influence of Scanning on Nano Crystalline β-Ti Alloys Fabricated by Selective Laser Melting and Their Applications in Biomedical Science". Journal of Nanoscience and Nanotechnology 20, № 3 (2020): 1605–12. http://dx.doi.org/10.1166/jnn.2020.17340.

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The present study focuses on the microstructural and bioactive properties evolution in selective laser melting (SLM) β titanium alloys. We have applied cross-scan strategy for improving mechanical properties and lower elastic modulus of SLMed Ti–20Mg–5Ta alloys which has been shown to be altering the microstructure and refining the grain size. The cross-scan strategy can refine the microstructure and induce various deformation textures in contrast to the conventional scan strategy. The microstructures of Ti–20Mg–5Ta alloys indicate that the cross-scan strategy will yield the best mechanical pr

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Gao, Menglin, Shengjun Xia, Chunfa Huang, et al. "Study of Microstructure and Mechanical Properties of 800H Alloy During Creep." Materials 18, no. 4 (2025): 912. https://doi.org/10.3390/ma18040912.

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Creep is one of the primary degradation mechanisms affecting the performance of the 800H alloy under long-term high-temperature stress conditions. Understanding the microstructural evolution during creep and developing a quantitative model to relate these changes to mechanical properties are essential for assessing creep damage and ensuring the safe operation of high-temperature equipment. By conducting a multiscale quantitative characterization of the microstructures in the 800H alloy across different creep stages, we systematically examined the evolution of various microstructural features a

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Muiruri, Amos, Maina Maringa, and Willie du Preez. "Validation of a Microstructure-Based Model for Predicting the High Strain Rate Flow Properties of Various Forms of Additively Manufactured Ti6Al4V(ELI) Alloy." Metals 11, no. 10 (2021): 1628. http://dx.doi.org/10.3390/met11101628.

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To increase the acceptance of direct metal laser sintered Ti6Al4V(Extra Low Interstitial—ELI) in industry, analytical models that can quantitatively describe the interrelationships between the microstructural features, field variables, such as temperature and strain rate, and the mechanical properties are necessary. In the present study, a physical model that articulates the critical microstructural features of grain sizes and dislocation densities for use in predicting the mechanical properties of additively manufactured Ti6Al4V(ELI) was developed. The flow stress curves of different microstr

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Shokrollahi, Yasin, Pengfei Dong, Peshala T. Gamage, et al. "Finite Element-Based Machine Learning Model for Predicting the Mechanical Properties of Composite Hydrogels." Applied Sciences 12, no. 21 (2022): 10835. http://dx.doi.org/10.3390/app122110835.

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In this study, a finite element (FE)-based machine learning model was developed to predict the mechanical properties of bioglass (BG)-collagen (COL) composite hydrogels. Based on the experimental observation of BG-COL composite hydrogels with scanning electron microscope, 2000 microstructural images with randomly distributed BG particles were created. The BG particles have diameters ranging from 0.5 µm to 1.5 µm and a volume fraction from 17% to 59%. FE simulations of tensile testing were performed for calculating the Young’s modulus and Poisson’s ratio of 2000 microstructures. The microstruct

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Ma, Yun Dong, and Shuang Liang. "Tunnel Lining Microstructure and Mechanical Properties of Evolutionary Analysis." Applied Mechanics and Materials 580-583 (July 2014): 1168–73. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.1168.

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For the tunnel lining microstructure, mechanical properties evolve analyzed. This paper have established and meshed microstructural model and got the situation under its force structure loads, the cracking strain as a criterion for its application fracture criterion to get a good cracking and expansion of the tunnel lining meso model. The results of the case under the macrostructure of the model compared with the microstructure results can get the adventage of the microstructure in using tunnel lining.

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Kumar, P. John Raj, and A. Baskaran. "Impact of CC and PCTIG Welding on SMO 254 Joints Using Alloy 625 Filler." Indian Journal Of Science And Technology 17, no. 34 (2024): 3553–66. http://dx.doi.org/10.17485/ijst/v17i34.2163.

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Objectives: This investigation analyzes the microstructure, mechanical and corrosion characteristics of SMO 254 joints welded using constant current TIG (CCTIG) and pulse current TIG (PCTIG) with alloy 625 (ERNiCrMo-3) filler metal. Method: Optical microscopy and SEM with EDAX were employed for microstructural characterization and phase analysis. Mechanical properties were assessed through Vickers microhardness, tensile, and Charpy impact tests, followed by fracture analysis. Findings: EDAX point analysis indicates reduced Mo segregation and the absence of Nb segregation in PCTIG weldments. Th

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Iza-Mendia, Amaia, and Isabel Gutiérrez. "Microstructure-Mechanical Properties Relationships for Complex Microstructures in High Strength Steels." Materials Science Forum 783-786 (May 2014): 783–88. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.783.

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Due to the increased complexity of steel microstructures, when considering the application of available Hall-Petch type equations for yield strength prediction, a number of difficulties raises. For example, the correlation between grain size measurements by EBSD technique and optical microscopy (OP) in complex microstructures is required in order to integrate data to the traditional equations developed for OP results and ferrite-pearlite microstructures. Besides, the introduction of some additional terms to the equations to account for precipitation, C in solution and forest dislocation contri

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Baraboshkin, Kirill, Ruslan Adigamov, Vladimir Yusupov, Irina Kozhevnikova, and Antonina Karlina. "Thermomechanical rolling in well casing production (research review)." Metal Working and Material Science 26, no. 3 (2024): 24–51. http://dx.doi.org/10.17212/1994-6309-2024-26.3-24-51.

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Introduction. The modern oil and gas industry requires the development of high strength materials for well casing. Changes in rolled steel production technologies are one of the urgent tasks. Reducing the cost of high quality steel well casing is becoming a major challenge for the oil and gas industry. Multiphase microstructures containing acicular ferrite or an acicular ferrite-dominated phase exhibit good complex properties in HSLA steels. This paper focuses on the results obtained using modern methods of thermomechanical rolling. Results and discussion. This work analyzes the characteristic

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Barode, Jayant, Marco Brander, Tianbo Yu, Venkata Karthik Nadimpalli, Dorte Juul Jensen, and Xiaobo Wang. "Cell Structure in LPBF 316L—Microstructural Heterogeneity, Thermal Stability, and Mechanical Properties." Materials 18, no. 3 (2025): 475. https://doi.org/10.3390/ma18030475.

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The microstructure of additively manufactured 316L stainless steel is hierarchical, and on a fine scale, it contains cell structures and dislocations. These microstructures define the mechanical properties, and it is thus of importance to quantify them and understand their thermal stability. This study investigates the heterogeneity of the microstructure in laser powder bed-fused 316L with a focus on variations in the cell and dislocation structures through the sample thickness along the build direction. While at the coarse scale the microstructure is rather homogeneous throughout its thicknes

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CHOUGRANI, Kaoutar, Mimoun CHOURAK, Adriana Gabriela SCHIOPU, and Mohamed Nabil ELGABRY. "UNDERSTANDING CONSTRUCTION ALLOYS: PROPERTIES UNVEILED." University of Pitesti. Scientific Bulletin - Automotive Series 33, no. 1 (2023): 1–9. http://dx.doi.org/10.26825/bup.ar.2023.003.

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This article presents an experimental study on the characterization of carbon steels, alloy steels, aluminum alloys, brass, and cast iron commonly used in the construction industry. The focus is on evaluating the mechanical properties of these materials through optical microscopy and Brinell hardness testing. A series of samples representing each material type were prepared and subjected to optical microscopy analysis to examine their microstructural characteristics. The images obtained were further analyzed using ImageJ software to measure the size of various microstructural constituents. Add

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Kumar, M. Anil, V. Srinivasan, and P. Ramamurthy Raju. "Microstructural and Mechanical Characterization of the Mg Based Functionally Graded Material Fabricated through Centrifugal Casting Process." Indian Journal Of Science And Technology 17, no. 7 (2024): 583–91. http://dx.doi.org/10.17485/ijst/v17i7.2828.

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Objectives: The aim of this study is to examine the mechanical and microstructural properties of functionally graded material (FGM) composites based on magnesium (Mg). Magnesium alloys are commonly employed in the development of biomaterials for implant applications owing to their favorable corrosion properties. The research objective is to study the microstructural and mechanical properties and produce Zn/Mo reinforced functionally graded magnesium composites using the centrifugal casting. Methods: A triple layered cylindrical shaped Mg based functionally graded material (FGM) was fabricated

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Varma, Sachin, Megha Sasidharan Nisha, Kiran Mangalampalli, and Payel Bandyopadhyay. "Unveiling the effect of curing parameters in the mechanical properties of dental polymer." Engineering Research Express 7, no. 1 (2025): 015431. https://doi.org/10.1088/2631-8695/adbcf7.

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Abstract The microstructural evolution during the polymerization process critically influences the mechanical properties. The present study investigates the influence of curing parameters, i.e., temperature, time, and bench-pressing pressure, on the microstructural evolution and the degree of conversion, which significantly affect the mechanical properties of heat-cured PMMA denture base polymers. Nanoindentation results reveal that the mechanical properties improve considerably with higher curing temperature and longer curing time, as evidenced by an 88% increase in Young’s modulus and a four

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Williams, Colin L., Parisa Shokouhi, Matthew H. Lear, Carly Donahue, and Colt J. Montgomery. "Ultrasonic methods for the characterization of additively manufactured 316L stainless steel." Journal of the Acoustical Society of America 152, no. 4 (2022): A94. http://dx.doi.org/10.1121/10.0015658.

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This research utilizes linear and nonlinear ultrasonic techniques to establish a linkage between microstructure and macroscale mechanical properties of additively manufactured (AM) stainless steel 316L samples. The specimens are manufactured using two methods: laser-powder bed fusion and traditional wrought manufacturing. Using the nonlinear ultrasonic method of second harmonic generation, the acoustic nonlinearity parameter is estimated in samples with different heat treatment levels intended to alter microstructural and mechanical properties. Linear ultrasonic parameters including wave speed

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Nogueira Ottoboni Dias, Alexandre, Márcia Regina Baldissera, Eduardo Carvalho Rossi, et al. "Microstructural Characterization and Evaluation of Mechanical Properties of Steel with Different Biphasic Microstructures Obtained from LNE 500 Steel." Materials Science Forum 805 (September 2014): 227–30. http://dx.doi.org/10.4028/www.scientific.net/msf.805.227.

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In this work was carried out the microstructural characterization and evaluation of mechanical properties of steel with different microstructures. The intercritical region and the existing phases in function of temperature were determined using the THERMOCALC software. The samples of steel were quenched at different temperatures to obtain differents microstructures consisting of ferrite, pearlite and martensite. The microstructural characterization of the samples was performed by qualitative and quantitative metallography. The determination of volume was performed with the "Image J" software.

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Barcellona, A., L. Cannizzaro, and D. Palmeri. "Microstructural Characterization of Thermo-Mechanical Treated TRIP Steels." Key Engineering Materials 344 (July 2007): 71–78. http://dx.doi.org/10.4028/www.scientific.net/kem.344.71.

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The increasing demand for the reduction of automobiles CO2 emissions for environmental preservation leads the automotive industries towards the mechanical components weight reduction. Sheet steels with multiphase microstructures exhibit favourable combinations of strength and ductility. The so called TRIP steels have a metastable microstructure that consists of a continuous ferrite matrix containing a dispersion of hard second phases martensite and bainite. These steels also contain retained austenite, at room temperature, that represents the source of the TRansformation Induced Plasticity eff

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